A method for anticipating sensitivity to a medicine for osteoporosis is provided which is characterized by analyzing respective genetic polymorphisms of a vitamin D receptor gene, an estrogen receptor gene, and an apolipoprotein E gene from a genome DNA contained in a sample obtained from a human, and anticipating, based on the analyzed combination of the genetic polymorphisms, that the sample is derived from an individual who shows a specific priority to sensitivities to a plurality of remedies for osteoporosis. A reagent for simultaneously detecting genetic polymorphisms is also provided which contains amplification primers and/or detection probes specific to respective genes of the vitamin D receptor gene, apolipoprotein E gene, and estrogen receptor gene. Further, a method for simultaneously detecting these genes, and a method for selecting remedies for bone disease based on the genetic polymorphisms are provided. According to the method of the present invention, a diagnosis as to which remedy, or medicine, for osteoporosis a subject patient has higher sensitivity can be made before the administration of the medicine so that selection of an appropriate medicine is possible and the QOL (quality of life) of the patient can be improved.